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Fibrostenotic Crohn's DiseasePhase 2NCT05843578

STENOVA - A Study to Evaluate Safety, Tolerability, PK and PD of AGMB-129 in Patients With Fibrostenotic Crohn's Disease

A Phase 2 study testing AGMB-129 in people with Fibrostenotic Crohn's Disease, run by Agomab Spain S.L.U. at 52 sites in 8 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Many patients with Crohn's disease develop fibrotic narrowing (strictures) in their bowel, causing obstructive symptoms such as abdominal pain, cramping, or vomiting after meals. Because of these symptoms, patients often require bowel resection surgery. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Fibrostenotic Crohn's Disease
What is being tested?
AGMB-129
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
103 participants
Where
52 sitesin 8 countries
Study dates
1 Aug 2023to 20 Jun 2026
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosis of ileal or ileocolonic CD based on supporting guideline criteria (eg, clinical, endoscopic, and histologic evidence) established at least 3 months prior to screening.
  • Presence of at least 1 stricture in the terminal ileum within reach of an endoscope (passable or nonpassable).Strictures should be noncritical, naïve or anastomotic stricture(s), caused by CD and confirmed centrally by MRE according to the following criteria:
  • Localized luminal narrowing (luminal diameter ≤50% relative to normal adjacent bowel); AND
  • Bowel wall thickening (≥25% relative to adjacent bowel; AND
  • Either prestenotic dilation (defined as a luminal diameter ≥3 cm) or nonpassable with adult colonoscope
  • Presence of tolerable obstructive symptoms, as defined by a screening S-PRO severity score ≥2, and not expected to require hospitalization, endoscopic balloon dilation, surgical resection, or additional therapy during the study. Participant should have sufficient food intake, even with diet modification.
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  • Stable background therapy for CD and agree to maintain background therapy for the study duration
  • Completion of the 12-week treatment period (Part A) and participant is willing and able to continue treatment.
  • Per investigator judgment, participant is able to continue or resume treatment following completion of the Week 12 visit in Part A.

Who cannot join

  • History or current diagnosis of ulcerative colitis, indeterminate colitis, ischemic colitis, nonsteroidal anti-inflammatory drug-induced colitis, idiopathic colitis (ie, colitis not consistent with CD), radiation colitis, microscopic colitis, colonic mucosal dysplasia, or untreated bile acid malabsorption.
  • CD-related complications (previous extensive small bowel resection, ileorectal anastomosis, proctocolectomy, short bowel syndrome, ileostomy [diverting or end], colostomy, small bowel stoma, ileoanal pouch, inactive fistulae in or adjacent to an ileal stricture, anal and perianal stricture, active intra-abdominal or perianal abscess that has not been appropriately treated, abscess in relation to the stricture, toxic megacolon, very severe inflammation, or presence of deep ulceration in the colon or terminal ileum).
  • Ileitis not associated with CD (eg, ileitis associated with infections, spondyloarthropathies, ischemia, etc.).
  • Endoscopic balloon dilation or surgical treatment of the same small bowel stricture within the last 6 months prior to screening
  • Receiving cyclosporine, tacrolimus, sirolimus, or mycophenolate mofetil within 8 weeks of screening or Janus kinase inhibitor therapy within 4 weeks of screening.
  • Requiring continued treatment with systemically administered medications that are sensitive CYP3A4/5 substrates with a narrow therapeutic index or strong inhibitors of aldehyde oxidase or xanthine oxidase.
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  • Current or history of vasculitis, valvulopathy or large vessel disorder or major abnormalities documented by cardiac echocardiography with Doppler
  • More than 24 weeks since completion of the Week 12 visit in Part A.
  • Experienced any AE leading to permanent treatment discontinuation during treatment with study drug in the double blind treatment period (Part A).
  • Have undergone endoscopic balloon dilation or bowel surgery (resection surgery or strictureplasty) for any intestinal stricture since the Week 12 visit in Part A.
  • Developed any condition which meets the Part A exclusion criteria, as per investigator judgment.
  • Any condition which in the opinion of the investigator affects the safety or ability to participate in Part B.
  • Participation in any other clinical trial since the completion of the Week 12 visit in Part A.

Trial locations and contacts

52 sites in 8 countries.

52 sites in 8 countries

United States11 sites
  • University of Michigan

    Ann Arbor, Michigan, 48109

  • Cleveland Clinic

    Cleveland, Ohio, 44195

  • Gastro One

    Cordova, Tennessee, 38018

  • Medical Research Center of Connecticut, LLC

    Hamden, Connecticut, 06518

  • Gastroenterology Health Partners

    Louisville, Kentucky, 40218

  • University of Miami

    Miami, Florida, 33136

  • Gastroenterology Health Partners

    New Albany, Indiana, 47150

  • Digestive and Liver Center of Florida

    Orlando, Florida, 32825

  • Mayo Clinic

    Rochester, Minnesota, 55905

  • Louisiana Research Center

    Shreveport, Louisiana, 71105

  • Washington University School of Medicine

    St Louis, Missouri, 63110

Other trials in United States

Poland11 sites
  • Specialist Gastrology Centre GASTROMED

    Bialystok

  • Vita Longa Sp. z.o.o.

    Katowice, 40-748

  • MEDRISE Sp. z o.o.

    Lublin, 20-582

  • SOLUMED Medical Center

    Poznan

  • Endoskopia Sp. z o.o.

    Sopot

  • H-T. Medical Center

    Tychy

  • WIP Warsaw IBD Point

    Warsaw, 00-728

  • WSD Medi Clinical Sp. z o.o.

    Warsaw

  • Planetmed Sp. z o.o.

    Wroclaw, 52210

  • VISTAMED

    Wroclaw

  • ETG Zamość

    Zamość, 22-400

Other trials in Poland

Canada7 sites
  • University of Calgary

    Calgary, AB T2N 4Z6

  • Gastroenterology and Internal Medicine Research Institute (GIRI)

    Edmonton, T5R1W2

  • South Edmonton Gastroenterology Research Clinic

    Edmonton, T6K 4B2

  • Nova Scotia Health Authority

    Halifax

  • TIDHI Innovation Inc.

    North York, ON M6A 3B4

  • Ottawa Hospital Research Institute

    Ottawa

  • (G.I.R.I) GI Research Institute

    Vancouver, BC V6Z 2K5

Other trials in Canada

Italy7 sites
  • University Polyclinic Hospital "G. Martino"

    Messina

  • Humanitas Research Hospital IRCCS Istituto Clinico Humanitas

    Milan, 20089

  • Hospital San Raffaele

    Milan

  • Azienda Ospedaliero Universitaria di Modena - Struttura Complessa di Gastroenterologia

    Modena, 41124

  • Sacred Heart Don Calabria

    Negrar

  • Azienda Ospedaliera San Camillo Forlanini

    Rome, 00152

  • University Polyclinic Foundation "Agostino Gemelli"

    Rome

Other trials in Italy

Denmark5 sites
  • Aarhus University Hospital, Department of Hepatology and Gastroenterology

    Aarhus

  • Bispebjerg Hospital

    Copenhagen, 2400

  • Rigshospitalet - University Hospital Copenhagen

    Copenhagen

  • Herlev Hospital (University of Copenhagen)

    Herlev, 2730

  • Odense University Hospital

    Odense, 5000

Other trials in Denmark

Austria4 sites
  • Medical University of Graz

    Graz, 8036

  • Gemeinnutzige Salzburger Landeskliniken Betriebsgesellschaft mbH (Landeskrankenhaus Salzburg/Regional Hospital Salzburg)

    Salzburg, 5020

  • Medical University Of Vienna (AKH Wien)

    Vienna, 1090

  • Hospital Landstrasse, Department of Internal Medicine IV

    Vienna

Other trials in Austria

Germany4 sites
  • Charite Universitatsmedizin Berlin KöR Campus Benjamin Franklin Medizinische

    Berlin, 12203/12200

  • Servicegesellschaft Krankenhaus Waldfriede mbH Krankenhaus Waldfriede e.V Akademisches Lehrkrankenhaus der Charite

    Berlin, 14163

  • BSF Studiengesellschaft UG (Unternehmergesellschaft, haftungsbeschränkt)

    Halle, 06108

  • Universitatsklinikum Ulm AöR (University of Ulm)

    Ulm, 89081

Other trials in Germany

Spain3 sites
  • Hospital Clinic de Barcelona

    Barcelona, 08036

  • Hospital Universitario de Gran Canaria

    Las Palmas de Gran Canaria, 35010

  • Hospital Universitario Virgen del Rocio

    Seville, 41013

Other trials in Spain

About this study

Official title: A Phase 2a, Randomized, Placebo-controlled, Double-blind Study to Assess the Safety, Pharmacokinetics, and Pharmacodynamics of AGMB-129 in Patients With Fibrostenotic Crohn's Disease

Many patients with Crohn's disease develop fibrotic narrowing (strictures) in their bowel, causing obstructive symptoms such as abdominal pain, cramping, or vomiting after meals. Because of these symptoms, patients often require bowel resection surgery. The objective of this clinical trial is to evaluate the safety, pharmacokinetics, and pharmacodynamics of AGMB-129 (Ontunisertib) in patients with Crohn's disease and symptomatic strictures, and whether it can have a beneficial effect on intestinal strictures.

The participants will be in the Part A for a duration of up to 19 weeks including a 5 week screening period, a 12-week double-blind, placebo-controlled treatment period, and 2 week safety follow up period. Participants who continue to Part B can receive treatment for up to an additional 48 weeks, with a safety follow-up visit 2 weeks after the last dose of treatment.

Read the detailed description

Part A is a randomized, placebo-controlled, double-blind, parallel, multicenter, phase 2a study in participants with Crohn's disease and symptomatic intestinal strictures.

Part A consists of 3 periods (a screening period, a placebo-controlled, double-blind treatment period, and safety follow-up). After signing informed consent, eligibility will be assessed during a 5-week screening period. The presence of qualifying intestinal strictures will be assessed by ileocolonoscopy and magnetic resonance enterography (MRE). The presence of obstructive symptoms will be also evaluated.

Eligible participants will be randomized 1:1:1 to receive AGMB-129 high dose, low dose or placebo for 12 weeks.

During Screening and Week 12 visits, participants will undergo ileocolonoscopy with biopsy collection for exploring pharmacodynamics. Participants will have blood sample collection at Weeks 2, 4, 8, and 12 to assess safety, pharmacokinetics, and pharmacodynamics.

Throughout the study, participants will undergo routine safety assessments at study visits, which will include physical examination, vital signs, clinical laboratory assessment, electrocardiogram (ECG), and recording of AEs.

Part B is an open-label treatment extension for participants who have completed the double-blind treatment period in Part A.

Being tested
AGMB-129, Placebo

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • AGMB-129Drug

    Oral capsule

  • PlaceboDrug

    Matching oral capsule

Study groups in NCT05843578
Study groupRoleWhat they receive
AGMB-129 HighExperimentalAGMB-129 high dose
Receives: Drug: AGMB-129
AGMB-129 LowExperimentalAGMB-129 low dose
Receives: Drug: AGMB-129
PlaceboExperimentalMatching placebo
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of participants with adverse events (Part A and B)

    To evaluate the safety and tolerability of AGMB-129 between AGMB-129 participants and placebo participants in terms of adverse events at every visit

    Measured: From Screening to Week 48

  2. Number of participants with abnormal clinical laboratory values (Part A and B)

    To evaluate the safety and tolerability of AGMB-129 between AGMB-129 participants and placebo participants in terms of abnormal laboratory parameters at every visit

    Measured: From Screening to Week 48

  3. Number of participants with abnormal ECG parameters (Part A and B)

    To evaluate the safety and tolerability of AGMB-129 between AGMB-129 participants and placebo participants in terms of abnormal ECG parameters at every visit

    Measured: From Screening to Week 48

  4. Number of participants with abnormal vital signs (Part A and B)

    To evaluate the safety and tolerability of AGMB-129 between AGMB-129 participants and placebo participants in terms of vital signs at every visit

    Measured: From Screening to Week 48

  5. Number of participants with abnormal physical exams (Part A and B)

    To evaluate the safety and tolerability of AGMB-129 between AGMB-129 participants and placebo participants in terms of physical exams at every visit

    Measured: From Screening to Week 48

  6. Number of participants with abnormal 2D-echocardiography (Part A and B)

    To evaluate the safety and tolerability of AGMB-129 between AGMB-129 participants and placebo participants in terms of echocardiography at week 12

    Measured: From Screening to Week 48

Secondary outcomes (2)
  1. Plasma levels of AGMB-129 and its metabolites (Part A and B)

    To characterize the pharmacokinetics (PK) of AGMB-129 and its metabolites by measuring the amount in plasma

    Measured: From Baseline to Week 48

  2. Changes in mRNA gene expression in ileal biopsies ((Part A)

    To characterize the pharmacodynamics of AGMB-129 by determining the gene expression in ileal biopsies

    Measured: From Baseline to Week 48

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 May 2023
  2. Study start1 Aug 2023
  3. Primary completion20 Jun 2026
  4. Study completion20 Jun 2026

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Randomized, placebo-controlled, double-blind, parallel, multicenter, phase 2a study
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
103 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05843578
Sponsor's protocol ID
AGMB-129-C102
Status last verified
Jul 2026
First submitted
25 Apr 2023
Last updated
9 Jul 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing AGMB-129 in people with Fibrostenotic Crohn's Disease, run by Agomab Spain S.L.U. at 52 sites in 8 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 9 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 9 Jul 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 52 sites in United States, Poland, Canada, Italy, Denmark and 3 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of participants with adverse events (Part A and B) (time frame: From Screening to Week 48). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Jul 2026.

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